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15 SPb 22 / 15 SPb 20

Germany DIN 15SPb22/15SPb20 高速削切热处理钢 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals 15 SPb 22 / 15 SPb 20 -- Germany 高速削切热处理钢

Chemical composition(mass fraction)(wt.%) of the 15 SPb 22 / 15 SPb 20

Element Min Max Similar

Mechanical Properties of steel grade 15 SPb 22 / 15 SPb 20

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
739 (≥) 128 (≥) 43 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 15 SPb 22 / 15 SPb 20

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
14 - -     0.22 -  
358 154 - 43.3 342   -  
392 - 42 11.2   124 113

Heat Treatment of steel grade 15 SPb 22 / 15 SPb 20

Heat treated : 1481°C - 1823°C

Technological Curves of steel grade 15 SPb 22 / 15 SPb 20

Cross Reference Table (Equivalent Grade) of 15 SPb 22 / 15 SPb 20

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